The Bertha Sanford Dodge Papers include letters to David Kaser regarding manuscript of her book, Plants that Changed the World. There are also a prospectus and sample chapters of this study, originally called The Plant Hunters and a typescript final draft of Plants that Changed the World, including manuscript revision and galley proofs, dated August 20, 1958.

The collection includes correspondence, diaries, photographs, and publications by Nipher and others, nine volumes of Missouri Weather Service data notebooks, and four glass plate negatives. The publications are arranged alphabetical by author, then alphabetical by title.

The Sigma Xi Honorary Society Records consists of two bound volumes of minutes and membership information from 1908-2016.